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| author | Mark M. Hoffman <mhoffman@lightlink.com> | 2005-07-15 21:39:18 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-05 09:14:08 -0700 |
| commit | 943b0830cebe4711354945ed3cb44e84152aaca0 (patch) | |
| tree | 1963da8d8867069617404a8f92739035c6faca02 /drivers/hwmon/adm1031.c | |
| parent | 1236441f38b6a98caf4c7983e7efdecc2d1527b5 (diff) | |
| download | lwn-943b0830cebe4711354945ed3cb44e84152aaca0.tar.gz lwn-943b0830cebe4711354945ed3cb44e84152aaca0.zip | |
[PATCH] I2C hwmon: add hwmon sysfs class to drivers
This patch modifies sensors chip drivers to make use of the new
sysfs class "hwmon".
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon/adm1031.c')
| -rw-r--r-- | drivers/hwmon/adm1031.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 936250957270..ac3b1542556e 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -27,6 +27,8 @@ #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon.h> +#include <linux/err.h> /* Following macros takes channel parameter starting from 0 to 2 */ #define ADM1031_REG_FAN_SPEED(nr) (0x08 + (nr)) @@ -69,6 +71,7 @@ typedef u8 auto_chan_table_t[8][2]; /* Each client has this additional data */ struct adm1031_data { struct i2c_client client; + struct class_device *class_dev; struct semaphore update_lock; int chip_type; char valid; /* !=0 if following fields are valid */ @@ -788,6 +791,12 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind) adm1031_init_client(new_client); /* Register sysfs hooks */ + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_detach; + } + device_create_file(&new_client->dev, &dev_attr_fan1_input); device_create_file(&new_client->dev, &dev_attr_fan1_div); device_create_file(&new_client->dev, &dev_attr_fan1_min); @@ -833,6 +842,8 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind) return 0; +exit_detach: + i2c_detach_client(new_client); exit_free: kfree(data); exit: @@ -841,11 +852,14 @@ exit: static int adm1031_detach_client(struct i2c_client *client) { + struct adm1031_data *data = i2c_get_clientdata(client); int ret; + + hwmon_device_unregister(data->class_dev); if ((ret = i2c_detach_client(client)) != 0) { return ret; } - kfree(i2c_get_clientdata(client)); + kfree(data); return 0; } |